Drain may refer to:
Objects and processes Drain (plumbing), a fixture that provides an exit-point for waste water or for water that is to be re-circulated on the side of a road Floor drain Drain (surgery), a tube used to remove pus or other fluids from a wound Drainage, the natural or artificial removal of surface and sub-surface water from a given area French drain, a system that redirects surface water and groundwater away from an area Slot drain Storm drain, a system of collecting and disposing of rain water in an urban area Drain (transistor), a terminal in a field effect transistor
Entertainment Music Drain (noise rock band), an American noise rock band Drain (punk band), an American hardcore punk band Drain STH, a Swedish hard rock band Drain Gang, Swedish hip hop collective "Drain", song by X Japan on the album Dahlia "The Drain", song by Bad Omens, Health, and Swarm on the albums Concrete Jungle [The OST] and Rat Wars Ultra Edition
Other Drain (comics), a comic book series starring a vampire
Places Drain, Oregon, a city in Douglas County, Oregon, United States Drain, Maine-et-Loire, a commune in France Waterloo & City line, in the London Underground, nicknamed "The Drain"
People with the surname Charles Drain (disambiguation), several people Dorothy Drain (1909–1996), Australian journalist, columnist, war correspondent, editor and poet Émile Drain (1890–1966), French actor and comedian Geoffrey Drain (1918–1993), British trade union leader Gershwin A. Drain (born 1949), American federal judge Jim Drain (born 1975), American artist Job Henry Charles Drain (1895–1975), English recipient of the Victoria Cross Lauren Drain (born 1985), American author Robert D. Drain (born ), American judge Sammy Drain (1945–2016), guitarist Thomas Drain (1879–1952), Scottish footballer Tracy Drain, flight systems engineer at NASA William Thomas Drain (1905–1984), Scottish Australian footballer